Prevalence of developmental disorders (DDs) has been increasing worldwide. This study identifies a trend in their prevalence and incidence, using nationwide population-based data to analyze the characteristics of children with DDs in Korea. The prevalence of DDs steadily increased by more than four times (from 0.6 to 2.5) from 2003 to 2017. Boys…

Motor abnormalities are highly prevalent in children with autism spectrum disorder and are strongly predictive of adaptive functioning. Despite the documented sex bias in the prevalence of the disorder, the impact of sex differences on motor abnormalities has been overlooked. The goal of this study was to investigate differences in the motor…

Requests for pathological demand avoidance diagnoses have increased over recent years but pathological demand avoidance remains a controversial issue. We undertook a systematic review of peer-reviewed studies of pathological demand avoidance, using standardised appraisal and synthesis methods, to assess how pathological demand avoidance is…

Atypical sensory processing is prevalent across neurodevelopmental conditions and a key diagnostic criterion of autism spectrum disorder. It may have cascading effects on the development of adaptive functions. However, its unique contribution to adaptive functioning and the genetic/environmental influences on this link are unclear. In a clinically…

Four databases were searched to identify studies published by Arab researchers on parents' perceptions of autism spectrum disorder and studies conducted by US researchers and published in systematic reviews of this topic. The electronic search resulted in 14 studies published by Arab researchers and 55 studies published by US researchers. The…

Impairments in structural language and pragmatics are well recognized in different neurodevelopmental disorders, yet in clinical work the discrimination of children with various language difficulties into different diagnostic profile is still a major challenge. Using the CCC-2 questionnaire this study assesses and compares language competences in…

A large number of children with developmental disorders like autism spectrum disorder (ASD), learning disabilities, and attention deficit hyperactivity disorder have high anxiety. It has also been shown that the high anxiety has harmful effects on them, directly and indirectly. In this study, we conducted a survey on community samples on the level…

This study compared a picture exchange (PE) system and an iPad®-based speech generating device (SGD) when teaching requesting skills to preschoolers with developmental disabilities and limited functional speech. A multiple baseline design with counterbalancing the order of two instruction conditions across participants was applied to compare the…

The World Health Organization's Caregiver Skills Training programme for children with developmental disorders or delays teaches caregivers strategies to help them support their child's development. Ethiopia has a severe lack of services for children with developmental disorders or delays. This study explored the perspectives of Ethiopian…

Background: Responses to digital cognitive training interventions vary greatly among children with intellectual and developmental disorders (IDD). Investigating possible predictors of improvements following training is vital in ascertaining which individuals benefit from these interventions. Methods: Seventy-three children (4-11 years) with IDD…

Background: Providing medical and dental care for adults with developmental disabilities requires specialised care that includes caregiver's perceptions of processes of care as integral to informing care delivery. Method: We examined the reach and efficacy of a medical-dental clinic serving adults with developmental disabilities as part of a…

Challenging behavior exhibited by young children with neurodevelopmental disabilities is known to negatively affect their optimal development and families' quality of life. Although some support exists for English-speaking parents of children with autism who live in high-resource countries, it is scarce for others. Such disparity may also be…

Objective: Fetal testosterone (fT) has organizational effects on the developing human nervous system and can be reliably estimated by the ratio between the length of the second and fourth digits -- 2D:4D. Previous studies reported altered patterns of fT in some developmental disabilities (e.g. ASD) relative to typically developing individuals…

Using distributive justice theory as a framework, the purpose of the present mixed methods study was to determine whether parental differential treatment was present and if so, to what degree, in families of children with a developmental disability. Moreover, if present, we examined to what extent parental differential treatment impacted family…

The employment rate among persons with autism spectrum disorder has been noted as unacceptably low. Employment-support services are increasingly linked to the potential for favorable job outcomes, yet little is known about employment-support practices and the outcome of these interventions. This mixed-methods study examined employment-support…